20166383755

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 28578528000

約数和(自身を除く): 8412144245

約数列:

[1, 5, 7, 35, 61, 109, 193, 305, 427, 449, 545, 763, 965, 1351, 2135, 2245, 3143, 3815, 6649, 6755, 11773, 15715, 21037, 27389, 33245, 46543, 48941, 58865, 82411, 86657, 105185, 136945, 147259, 191723, 232715, 244705, 342587, 412055, 433285, 606599, 736295, 958615, 1283257, 1712935, 2985401, 3032995, 5286077, 6416285, 8982799, 9445613, 14927005, 20897807, 26430385, 37002539, 44913995, 47228065, 66119291, 104489035, 185012695, 330596455, 576182393, 2880911965, 4033276751, 20166383755]

約数ペア:

[(1, 20166383755), (5, 4033276751), (7, 2880911965), (35, 576182393), (61, 330596455), (109, 185012695), (193, 104489035), (305, 66119291), (427, 47228065), (449, 44913995), (545, 37002539), (763, 26430385), (965, 20897807), (1351, 14927005), (2135, 9445613), (2245, 8982799), (3143, 6416285), (3815, 5286077), (6649, 3032995), (6755, 2985401), (11773, 1712935), (15715, 1283257), (21037, 958615), (27389, 736295), (33245, 606599), (46543, 433285), (48941, 412055), (58865, 342587), (82411, 244705), (86657, 232715), (105185, 191723), (136945, 147259)]